I have heard a story (referenced here for example) about R. Isaac of Dampierre making sure that each tractate of the talmud be memorized by one of his students.
What are the earliest sources for this ...

In this answer to a question that concerned the ways in which languages change and evolve, @SethJ made reference to a sugya that discusses the differences between different dialects of Aramaic, and a ...

This is perhaps a fairly specific question, and I don't know if it belongs here or on the History stack exchange, but I would like to know more about the Rhineland academies that were headed by people ...